格点量子色动力学中核子-核子相互作用的中重核
Medium-heavy nuclei from nucleon-nucleon interactions in lattice QCD
摘要：
利用格点量子色动力学模拟得到的核子-核子作用力，在Brueckner-Hartree-Fock方法的基础上，研究了16 ^O和40 ^Ca等中重双魔核的性质.我们发现这些核都是束缚在赝标介子质量M_PS ~ 470 MeV。的结合能，单粒子光谱和密度分布的质量数的依赖性是定性一致的物理点，从经验数据的预期，虽然这些假设的重夸克质量的核有较小的结合能比真正的核。
英文摘要：
On the basis of the Brueckner-Hartree-Fock method with the nucleon-nucleon forces obtained from lattice QCD simulations, the properties of the medium-heavy doubly-magic nuclei such as 16^O and 40^Ca are investigated. We found that those nuclei are bound for the pseudo-scalar meson mass M_PS ~ 470 MeV. The mass number dependence of the binding energies, single-particle spectra and density distributions are qualitatively consistent with those expected from empirical data at the physical point, although these hypothetical nuclei at heavy quark mass have smaller binding energies than the real nuclei.
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